520 results about "Oil drilling" patented technology

The invention provides an intelligent teaching-assistant system base LLM training method for a drilling simulator, and belongs to the technical field of petroleum drilling large language model training, and the method comprises the steps: obtaining the simulation data of the drilling simulator based on an intelligent teaching-assistant system base large language model, and carrying out the field self-adaptive pre-training; performing fine adjustment on the original weight by utilizing low-rank self-adaption, and performing operation steps and fault diagnosis generation; the method comprises the following steps: constructing an enterprise private knowledge base, training a large language model by utilizing retrieval enhancement generation, and obtaining a trained verification header through explicit supervision; a direct preference optimization loss function is defined, a direct preference optimization loss function of retrieval perception is obtained in combination with the verification head, the large language model is optimized, and large language model training is completed; according to the invention, an external professional knowledge base can be fused, an equipment operation mechanism can be understood, an intelligent assistant architecture with teaching guidance and error diagnosis capabilities is provided, and the intelligent level of the drilling simulator is improved.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an electrically-controlled reducing cutter, which has the technical scheme that the extension and retraction of the cutter are accurately controlled by a control base driving motor and an electromagnet, wherein the control base driving motor comprises an MCU (Microprogrammed Control Unit) and a wireless communication module; the control base can receive a ground instruction and transmit an underground working state signal back in real time; meanwhile, the ratchet mechanism is matched with the electromagnet to achieve extending and retracting of the cutter position, and the pawl is always in close contact with the ratchet wheel under the action of the spring. And the lower shell is in threaded connection with the guide shoe. The cutting knife is driven to rotate through the transmission shaft, the cutting knife is controlled to stretch out and retract through the intelligent electric control system, continuous cutting of casing pipes with different pipe diameters can be achieved, the tripping frequency is reduced, and the casing pipe cutting efficiency in the well abandoning operation process is greatly improved.

The invention belongs to the technical field of petroleum drilling, and particularly relates to a mud scraping disc and a mud scraping device. The mud scraping disc is an elastic spiral mud scraping disc which surrounds the periphery of the drill rod by at least one circle; the mud scraping disc comprises supporting rings and mud scraping rings, and the supporting rings are spirally stacked in sequence; the outer rings of the mud scraping rings are connected with the inner rings of the supporting rings, the inner rings of the mud scraping rings are attached to the peripheral face of the drill rod, the thickness of the mud scraping rings is smaller than that of the supporting rings, and gaps are reserved between the mud scraping rings in the axial direction. The mud scraping disc is used for solving the problems that the mud scraping disc is not thorough in scraping and inconvenient to install. The spiral mud scraping disc surrounds the periphery of the drill rod, the mud scraping disc forms a whole, the supporting rings are arranged in a stacked mode to guarantee that each circle is pressed, the mud scraping rings can be attached to the surface of the drill rod, and therefore the mud scraping disc is not prone to inclining and overturning compared with a split type U-shaped mud scraping disc, and the mud scraping effect is better.

The invention provides a high-temperature-resistant shale inhibitor as well as a preparation method and application thereof, and belongs to the technical field of petroleum drilling. Natural polymer polyamino acid and carbon-rich solid matter biochar are used as raw materials to prepare the shale inhibitor, the biochar has the advantages of being high in thermal stability, porous, rich in surface oxygen-containing functional groups and the like, the biochar is combined with polyamino acid, and by means of the chemical effect of the polyamino acid and the physical blocking effect of the biochar, the shale inhibitor is prepared. The shale inhibitor can inhibit shale hydration expansion at high temperature and has good hydration dispersibility, and the prepared shale inhibitor is green and environment-friendly and has excellent high temperature resistance.

The invention relates to the technical field of oil drilling and production well control equipment, in particular to a composite sealing rotary blowout preventer capable of regulating and controlling pressure while drilling. The blowout preventer comprises an execution module, a transmission module and a pressure sensing module. According to the execution module, radial extrusion force is applied to the rubber core through a radial shrinkage mechanism composed of a rotating ring, a connecting rod and a push block, meanwhile, a piston outer sleeve is matched with an inner shell in the axial direction under the limiting effect of an adaptive ring, axial compression force is applied to the rubber core, and therefore composite sealing of the rubber core is achieved. The transmission module drives a transmission gear to be meshed with a gear seat through a motor and drives a rotating ring to rotate, and power is transmitted to the radial contraction mechanism. The pressure sensing module is used for monitoring wellhead pressure in real time and actively triggering the generator to operate according to pressure changes, and self-adaptive adjustment of the sealing state is achieved. The device is suitable for the PCWD working condition, active sealing adjustment can be achieved based on wellhead pressure changes, the sealing reliability is improved in an axial and radial composite compression mode, and the device is particularly suitable for complex stratums, pressure fluctuation and continuous drilling scenes.

The invention relates to the technical field of petroleum drilling tools, in particular to a shaft-torsion coupling percussion drilling speed increasing tool which comprises a shell, an upper water wheel, a torsion percussion assembly, a lower water wheel and an axial percussion assembly. The tool is reasonable and compact in structure, the tool is installed at the position close to a drill bit, the upper portion of the shell is connected with a drill collar, the lower portion of the shell is connected with the drill bit, fluid enters the upper portion of a central channel to impact an upper water wheel, the upper water wheel drives an upper rotating shaft to rotate, and a torsion impact assembly periodically impacts a fixing block in the circumferential direction, so that a circumferential impact effect is generated on an outer cylinder; the fluid continuously flows downwards to impact the lower water wheel, the lower water wheel drives the lower rotating shaft to rotate, the axial impact assembly periodically impacts the outer barrel in the axial direction, and then the axial impact effect is generated on the drill bit on the lower portion. The tool can transmit periodic torque and axial impact to the drill bit, the rock breaking speed of the drill bit is increased, the drilling period is shortened, and then cost and time are saved.

The invention relates to an offshore oil drilling platform data acquisition method, device and equipment and a medium, and is applied to the technical field of data acquisition, and the method comprises the steps: obtaining historical monitoring data and current environment data; determining data acquisition frequencies of various data based on the historical monitoring data and the current environment data; acquiring monitoring data based on the data acquisition frequency; analyzing the monitoring data, and determining collection abnormal information; and determining an acquisition regulation and control strategy based on the acquisition abnormal information. The method has the effect of improving the data acquisition efficiency.

The invention relates to the technical field of petroleum drilling fluid loss reduction, and discloses an anti-divalent salt fluid loss agent for drilling fluid, which is prepared by the following steps: step 1, beta-cyclohexylamine and 6-chloro-1-hexene are subjected to a reaction to obtain alkenyl beta-cyclohexylamine; step 2, initiating polymerization of alkenyl beta-cyclopentadiene, a hyperbranched monomer pentaerythritol triallyl ether and 2-acrylamide-2-methylpropanesulfonic acid under the action of azobis (isobutylamidine hydrochloride), so as to obtain an intermediate A; 3, 3-dimethylamino-1-propylamine and palmitic acid are subjected to a reaction, and an intermediate 2 is obtained; 4, the intermediate 2 and benzyl chloride are subjected to a reaction, and quaternary ammonium salt modified fatty acid is obtained; and 5, stirring and mixing the intermediate A, quaternary ammonium salt modified fatty acid and coupling agent modified walnut powder to obtain the divalent salt resistant filtrate reducer for the drilling fluid. The anti-divalent salt filtrate reducer for the drilling fluid has a relatively good anti-divalent salt effect.

The invention relates to the technical field of petroleum drilling equipment, in particular to a novel eccentric rotating casing guiding shoe and a using method thereof. The eccentric rotating sleeve guide shoe comprises a lower shell, the top of the lower shell is rotationally connected with an upper shell, the bottom of the lower shell is connected with a telescopic sleeve, the bottom of the telescopic sleeve is connected with an eccentric guide head, a plurality of spiral guide strips are arranged on the circumference of the outer side wall of the lower shell at equal intervals, and the inner side wall of the lower shell is connected with a first turbine. The telescopic sleeve comprises an outer cylinder coaxially connected with the lower shell, an inner cylinder coaxially connected with the eccentric guide head and a spring respectively connected with the outer cylinder and the inner cylinder, and a plurality of spiral blades with downward tips and extending towards the eccentric guide head are arranged on the circumference of the outer side wall of the outer cylinder at equal intervals. The reaming efficiency is high, the labor intensity of workers can be reduced, and it can be fully guaranteed that the casing pipe string is smoothly lowered to the preset position.

The petroleum drilling system comprises a base, the base is horizontally placed on the ground, a through hole is formed in the middle of the base, a transverse plate is arranged above the base in a lifting mode, a first motor is arranged above the transverse plate, and an outer pipe is arranged below the transverse plate; the top of the outer pipe is connected with an output shaft of the first motor pair, a drill bit is arranged at the bottom of the outer pipe, and a hole channel is formed in the drill bit in a penetrating mode and communicates with the outer pipe. An inner pipe is arranged on the inner side of the outer pipe, a plurality of adjusting assemblies are arranged below the inner pipe, each adjusting assembly is connected with the inner side wall of the outer pipe, and the size of an opening in the upper end of a space formed by the adjusting assemblies is larger than that of an opening in the lower end of the space. A water pump and a liquid tank are further arranged on the base; the water pump can control the liquid tank to enable drilling fluid to enter and exit from the inner pipe and the outer pipe; by replacing the manufacturing material of the inner pipe, the overall mass of the inner pipe is lighter, and then the fixing degree of the plug pin to the inner pipe is improved.

The present application belongs to the field of oil drilling technology, and discloses a PDC drill bit for rock breaking by pressure pulse impact oscillation. The specific technical scheme is as follows: the PDC drill bit for rock breaking by pressure pulse impact oscillation is composed of an upper threaded joint, a shell, a jet pulse block and a drill bit. The jet pulse block is composed of a fluid inlet, a left feedback channel outlet, a right feedback channel outlet, a left fluid channel, a right fluid channel, a left backflow feedback inlet, a left backflow annular fluid channel, a right backflow feedback inlet, a right backflow annular fluid channel, a fluid outlet and a fluid outlet cavity. After the drilling fluid passes through the upper threaded joint, it enters the jet pulse block from the fluid inlet, and then passes through the fluid outlet and flows out from the drill bit water eye. When the drilling fluid passes through the jet pulse block, the flow direction of the drilling fluid will change periodically due to the action of the feedback channel, and a pressure pulse will be generated, forming impact oscillation, and thus accelerating the rock breaking and drilling of the drill bit. The present application has the function of improving the rock breaking efficiency of the drill bit by relying on pressure pulse impact oscillation.

This utility model discloses a crude oil dehydration device for offshore oil drilling, relating to the technical field of crude oil dehydration. It includes a mixing tank, with a diversion tank fixedly connected to its lower part. Multiple settling tanks are arranged outside the diversion tank. An internal mixing mechanism is installed in the mixing tank for mixing the crude oil. A blocking plate is slidably connected to the inner wall of the diversion tank, with its upper surface contacting the bottom of the mixing tank. A lifting mechanism is also provided below the blocking plate to drive its up-and-down movement. A connecting pipe is fixedly connected to the upper part of the settling tanks. This utility model has a reasonable design structure. By using multiple settling tanks in a cyclical manner, the mixing process continues, increasing efficiency. This solves the problem that existing methods typically involve directly setting the crude oil in the mixing device after mixing, rendering the device unusable for a period and resulting in low crude oil dehydration efficiency.

This utility model belongs to the technical field of oil drilling and production equipment, specifically relating to a tubing scraping device. The device includes an upper connector and a scraping head, as well as a rotating mechanism connecting the upper connector and the scraping head. The rotating mechanism includes a support sleeve connected to the upper connector and a rotating body with one end anti-detached from the support sleeve and the other end connected to the scraping head. Track grooves are evenly distributed on the outer wall of the rotating body. A guide pin is provided at the end of the support sleeve away from the upper connector. The track grooves and guide pin are slidably engaged to allow the rotating body to rotate and axially displace relative to the support sleeve when the tubing scraping device is lifted or lowered. In use, by lifting or lowering the device, the track grooves of the rotating body slidably engage with the guide pin of the support sleeve. The guide pin slides along the track grooves, forcing the rotating body to rotate and generate axial displacement, thereby driving the scraping head to actively rotate and move axially. Compared with the prior art, which passively drives the scraping head through scraper friction, this effectively improves scraping quality and efficiency.

The application discloses a system and method for monitoring the operation state data of an ultra-high pressure blowout preventer control device, and relates to the technical field of well control in oil drilling and production. The application provides the following scheme: a large number of devices linked with the blowout preventer control device are comprehensively monitored under the ultra-high pressure working condition, and a monitoring system is designed to include multiple devices, multiple gateway nodes, multiple gateway subnodes and a cloud server. The devices are the devices linked with the blowout preventer control device for operation control. Each gateway node is previously associated with an edge network, the edge network is a local area network designed based on the components of the blowout preventer control device, and the edge network is designed to deploy multiple gateway subnodes in a tree structure. Each gateway subnode is an edge computing terminal carried by a remote console of the blowout preventer control device, and each gateway subnode is previously associated with at least one device. The monitoring system can upload the preprocessed data in each edge network to the cloud server.

The present application relates to the field of drilling fluid filtration, especially to a kind of oil drilling fluid cleaning filtration equipment and its use method.The technical problem is that in the process of cleaning and filtering drilling mud, hydrogen sulfide and gas drilling fluid are wrapped in oil to form bubbles, which are difficult to separate, reduce the recycling rate of gas drilling fluid, increase the cost of oil exploitation, and at the same time, since hydrogen sulfide mixes with air in gas drilling fluid to form flammable and explosive gas, combustion and explosion are easy to occur in the container, which endangers the personal safety of surrounding workers.The technical scheme is: a kind of oil drilling fluid cleaning filtration equipment, including first mounting frame and vibrating screen, etc.;vibrating screen is arranged on the first mounting frame for separating cuttings in drilling mud.The present application realizes the crushing of bubbles on the rotating crushing block by the crushing block, avoids the wrapping of part of gas by oil, ensures the complete separation of gas from oil, and guarantees the liquid-gas separation effect.

The utility model discloses a well wall stabilizing device for tight oil well drilling, which comprises a reinforcing assembly, the reinforcing assembly comprises a protective frame, an air bag is arranged at one end of the protective frame, the air bag is provided with two groups of open holes, the open holes are respectively and symmetrically arranged on two sides of the air bag, and two groups of hydraulic telescopic rods are arranged on the outer wall of the protective frame. The two sets of hydraulic telescopic rods are fixed to the outer walls of the two sides of the protection frame respectively and are symmetrically arranged, fixing cones are installed at the telescopic ends of the hydraulic telescopic rods, the positions and the sizes of the fixing cones are matched with those of the open holes of the air bags, an air pump is arranged on the outer wall of the top of the protection frame, and a filter screen is detachably arranged at an air inlet of the air pump; a stabilizing assembly used for further reinforcing and improving the stability of the well wall and a limiting assembly used for preventing the device from moving are arranged on one side of the protection frame, the stabilizing assembly comprises two sets of connecting frames, and the two sets of connecting frames are fixedly and symmetrically installed on the outer wall of the bottom of the protection frame.

The utility model provides a kind of double-source multi-mode direct drive power control system and pressure control drilling system, it is related to petroleum drilling technical field, direct drive power control system includes: battery management control system, ac servo driver, control signal power supply and DC power battery package;When direct drive power control system is in ac parallel control mode: battery management control system, ac servo driver are sequentially connected;Battery management control system, ac servo driver are also connected with control signal power supply and DC power battery package respectively;When direct drive power control system is in series charging control mode: battery management control system, control signal power supply, ac servo driver are sequentially connected;Battery management control system is also connected with DC power battery package;DC power battery package is also connected with ac servo driver.The utility model is strong in adaptability, can maintain working stability according to the different electric power supply situation of field.

The utility model discloses a corrosion-resistant heavy hexagon nut for submarine oil drilling and production equipment, which comprises a nut body, a first rubber sleeve is arranged on the nut body, an extrusion plate is mounted below the nut body, a mounting groove is formed in the extrusion plate, a second rubber sleeve is mounted in the mounting groove, and the extrusion plate is arranged at the bottom end of the nut body through a sliding assembly. A protective sleeve is arranged on the outer side of the nut body, a guide assembly is arranged on the protective sleeve, and a locking assembly is arranged on the guide assembly. According to the corrosion-resistant heavy hexagon nut for the submarine oil drilling and production equipment, through the design of the first rubber sleeve, the second rubber sleeve and the protective sleeve, an additional protective layer can be provided for the nut body in a humid or corrosive environment, the corrosion risk is reduced, and the service life of the nut body is prolonged. And the rubber ring at the bottom end of the protective sleeve improves the sealing performance between the protective sleeve and the extrusion plate, the connection reliability is improved, and the stability and safety of the nut in a severe environment are ensured.

A manufacturing method of a K-shaped derrick main body relates to the technical field of petroleum drilling and production equipment, and comprises the following steps: step 1, drawing a derrick borehole center line, a thigh center line, a thigh outer contour line and a plurality of groups of rack end surface sample lines on a platform; 2, main legs of all sections of racks of the derrick are uniformly placed and fixed to a platform according to a sample line, rack cross braces and inclined braces are installed, and positioning assembly positioning welding is carried out; thirdly, the section connecting single-lug plates and the double-lug plates on all the section racks are positioned and welded to the main legs according to the center lines of the thighs and the drawing sizes; fourthly, the center line of a well hole of the derrick is reversely guided and copied to each segment of rack, and proofing and hole punching are conducted; step 5, welding the single piece of the piece rack in a conventional mode, and connecting the single lug plate and the double lug plate in sections; sixthly, a numerical control floor type boring and milling machine is used for being matched with a plate bending tool to machine the end face of the rack, the section connecting single-lug plate hole and the double-lug plate hole to the required size; by means of the method, it can be guaranteed that the attachment faces between the single sections of the derrick are aligned and attached tightly, and the method has the advantages of being good in bearing capacity and stability.

The invention discloses a cement retaining device, which relates to the technical field of petroleum drilling, and comprises an upper joint, a long central pipe and a sealing sleeve, a piston is fixed through a setting shear pin and is hydraulically driven to act; the lower end of the piston is connected with an elastic claw and can transmit setting force and achieve releasing separation, and the lower portion of the piston is connected with a compression cylinder and an upper conical head in series through a claw connector. The anchoring mechanism is composed of an upper conical head, a lower conical head, an anchor tooth block and the like and can expand in the radial direction to clamp the casing pipe during setting. The compression sleeve linked with the rubber sleeve assembly can extrude the rubber sleeve assembly to realize sealing; the cement injection channel is composed of a lower connector, a one-way valve and a cement injection head and ensures one-way cement injection. The design that an unblocking fishing head, a thrust ring and inner teeth of a compression cylinder are meshed is adopted in the unblocking mechanism, the thrust ring can be retracted by lifting the fishing head upwards, and therefore anchoring and sealing are relieved. Setting, squeezing and sealing, cement injection and fishing operation are achieved through one pipe column, a large-drift-diameter cement injection channel is provided after releasing, finally, the whole body is fished out of a well, no fish is left at the bottom of the well, drilling and grinding are not needed, and construction operation and well plugging cost is saved.

The present application relates to the technical field of oil drilling downhole testing instrument, and particularly relates to a small-size geological parameter measuring short circuit. The small-size geological parameter measuring short circuit comprises a position gamma skeleton and a gamma sensor. The device is provided with a plurality of circular-arc-shaped slots as installation bins on the outer wall of the skeleton for installing the gamma sensor, the position gamma sensor, the main control board, the power board and the magnetometer. The compact design realizes comprehensive measurement of various geological parameters and reduces the overall size. The outer wall of the skeleton is designed with a wear-resistant ring to improve the durability of the device. The shielding layer realizes partition control of the gamma rays to improve the measurement accuracy. The outer wall of the main control board, the power board and the magnetometer is covered with high-temperature-resistant soft rubber to ensure stable performance in extreme environments. The small-size geological parameter measuring short circuit can be hung near the drill bit to realize real-time edge detection, help identify and locate sandstone layers, improve the sandstone drilling rate and discover the deviation of the drilling trajectory in time.

The utility model relates to the technical field of rock debris collection, especially to an angle-adjustable petroleum drilling rock debris collector, which comprises a mounting seat, an angle adjusting assembly arranged at the bottom of the mounting seat, a rock debris collector body arranged at the bottom of the angle adjusting assembly, and a cleaning assembly arranged at one side of the mounting seat. The utility model is provided with the angle adjusting assembly, a motor drives gear one to rotate, then the rotation of the rotating shaft is driven through the meshing transmission of gear one and gear two, and then the rotating table and the rock debris collector body are rotated to a suitable direction, so that the horizontal orientation adjustment of the rock debris collector body can be accurately controlled, the needs of different drilling sites for the collection orientation are met, and secondly, the telescopic cylinder is telescopic through the telescopic rod, power is transmitted to the inclined plate through the connecting piece one and the connecting piece two, the inclined plate is driven to rotate around the mounting frame one, and thus the angle of the rock debris collector body can be flexibly adjusted, and different drilling angles and rock debris collection requirements can be adapted.

The application discloses a kind of plasma high-pressure ignition device, it is related to electronic detonator initiation technology adjacent area, to solve the technical problem of low ignition power, energy leakage is serious, low airtightness of traditional ignition device, provide a kind of energy concentration, airtightness strong plasma high-pressure directional ignition device.The core structure includes high-pressure ignition module, semiconductor bridge, fuse, test hole, sealing wrapping layer and integrated metal tube shell.The igniter adopts integrated structure design, and high-pressure ignition module, semiconductor bridge and explosion-proof protection module are integrated;By using high-temperature resistant sealant to fill the gap between the metal tube shell, a pressure environment above 0.5MPa is achieved to prevent leakage;The device can be widely used in gas turbine, aerospace thruster, oil drilling equipment and other high-pressure scene ignition system, with reliable sealing, stable structure, easy assembly.

The embodiment of the application relates to the field of oil drilling, and discloses a full-rotation steering system, a control method, equipment and a storage medium, which comprise a drill bit and a guide sleeve connected with the drill bit; the full-rotation steering system further comprises a deflection driving mechanism, a control module connected with the deflection driving mechanism and a detection module connected with the control module; a plurality of build-up modes are set in the control module; the control module is used for receiving an execution instruction and controlling the deflection driving mechanism to execute a corresponding build-up mode according to the execution instruction; and the detection module is used for detecting whether the drill bit penetrates a reservoir when the guide sleeve is horizontally drilled. The full-rotation steering system disclosed in the application solves the problem of single drilling mode and low drilling efficiency caused by repeated downlink instructions, reduces the number of downlink instructions in the drilling process, shortens drilling time, improves drilling efficiency and reduces drilling cost.

This invention discloses a well-clearing device, relating to the field of oil drilling engineering technology. The device includes a first milling column and a second milling column. The first milling column has a first cutting outer diameter. The second milling column is connected to the first milling column, and its second cutting outer diameter is adjustable, with the first cutting outer diameter falling within the adjustment range of the second cutting outer diameter. This well-clearing device can improve well-clearing efficiency and reduce well-clearing costs.

This invention discloses the preparation and application of a plugging agent for oil drilling, relating to the field of oil drilling technology. The invention utilizes a blend of silicone rubber, silicone resin, and wollastonite whiskers. The resin, in conjunction with the wollastonite whiskers, acts as a reinforcing and toughening agent in the silicone rubber, serving as a softening material during high-temperature operation. Simultaneously, the silicone rubber and silicone resin can bond with the formation at high temperatures, stabilizing the wellbore and improving the strength of the plugging layer. Then, a hollow fiber-like material is prepared using an extrusion deposition printing method. Part of this material is sheared to obtain hollow particles, thereby improving the flexibility of the elastomer. Subsequently, the hollow fiber-like material and some of the hollow particle material are densified. The wollastonite whiskers promote hardening, resulting in a rigid filler. The hardened hollow fiber-like material and the asphalt softening particles have a "stretcher" effect, thereby improving the pressure-bearing capacity and high-temperature resistance of the plugging layer.

The disclosure relates to portable staircases having a staircase assembly including an outer staircase and an inner staircase that can move in a telescoping relationship with respect to the outer staircase. Portable staircases of the disclosure are particularly useful for accessing an oil drilling rig as they are independently supported with respect to the drilling rig, thus providing numerous safety improvements and advantages. Methods of using the portable staircases of the disclosure are also disclosed.

This utility model relates to the field of oil and gas drilling technology, and in particular to a multifunctional drill pipe transport device for oil drilling. The multifunctional drill pipe transport device includes a frame, a moving mechanism, a supporting mechanism, a first cleaning mechanism, a second cleaning mechanism, and an oiling mechanism. The moving mechanism can drive the frame to move linearly back and forth between the pipe stack and the drill table. The supporting mechanism supports the drill pipe and moves it to the cleaning position. The first and second cleaning mechanisms are respectively located on both sides of the frame along its length to clean the male and female threads of the drill pipe at the cleaning position. The oiling mechanism is located on the first cleaning mechanism for clamping and oiling the male thread of the drill pipe. This device can complete the cleaning of both ends of the drill pipe while transporting it, avoiding the need for additional operations required by separating drill pipe transport and cleaning in the prior art, saving time and ensuring the cleanliness of the drill pipe joints.

The utility model discloses a pipe frame for petroleum drilling belongs to drilling tool technical field, a pipe frame for petroleum drilling, including support frame, the upper end of support frame is set up with the placement groove to the inside, the placement groove is provided with the baffle in parallel, and the both sides of baffle are equipped with the compression spring, and the end of compression spring is equipped with the movable plate, and is equipped with cooperation and takes off the subassembly on support frame, the utility model discloses have improved the storage stability, need to take out a certain drilling pipe, and remove cooperation and take off the subassembly, and do not need to start from the lowermost drilling pipe from bottom to top and take out the advantage of connecting.

A sealing ring for a joint of an oil drilling station that has a flat annular contact region provided with a plurality of circumferentially arranged grooves is provided. Each groove has a predetermined radial extension on the contact region and is axially lowered and accessible from an inner side face of the sealing ring.